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Siemens Industry Online Support
Siemens AG
Entry type: Download, Entry ID: 109483011, Entry date: 05/05/2017
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Firmware SIWAREX WP251

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  • Associated product(s)

Release V1.0.7


 Registrierung notwendig  WP251_FW_1_0_7.zip (436,4 KB) 


Changes compared to V1.0.6

  • Command acknowledgment in case of disturbed module adapted
  • Modbus settings in DR12 now retained after loss of voltage

An update to the newest version is recommended. The update is performed by the service software SIWATOOL V7 and explained in the following   document (586,0 KB).



Release V1.0.6



 Registrierung notwendig  WP251_FW_1_0_6.zip (1,9 MB) 

Changes compared to V1.0.4

  • Fine time controller optimized
  • New selection options for S7-interface
  • Bugfixes

An update to the newest version is recommended. The update is performed by the service software SIWATOOL V7 and explained in the following   document (586,0 KB).

In addition, two SIWATOOL V7 data base files are included in the .zip-archive. These need to be copied into the SIWATOOL installation folder like described in the information.



Release V1.0.4 / May 2017


 Registrierung notwendig  WP251_FW_1_0_4.zip (1,9 MB)

Changes compared to V1.0.1 

  • Support of operation on SIMATIC S7-1200 F (failsafe) controllers

  • Fine signal time controller for controlling the fine weight by time

  • Material flow calculation and monitoring by limit value

  • Minor fixes and optimizations 

An update to the newest version is recommended. The update is performed by the service software SIWATOOL V7 and explained in the following   document (586,0 KB).

In addition, two SIWATOOL V7 data base files are included in the .zip-archive. These need to be copied into the SIWATOOL installation folder like described in the information.


Security information
In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about industrial security, please visit
http://www.siemens.com/industrialsecurity.